@comyata/fe/DataFileRegistry.js

Execute YAML and JSON files like programs and get clean data to work with as result.

export class DataRef {
  /**
   * The parsed data to use for computing.
   */

  /**
   * The loaded data value to use for parsing.
   */

  constructor(file) {
    this.file = file;
    this.value = file?.value;
    this.node = file?.node;
  }
  static withValue(file, value) {
    const ref = new DataRef(file);
    ref.value = {
      current: value
    };
    return ref;
  }
}
export class DataFileRegistry {
  files = new Map();
  refs = new Map();
  fileLoader = new Map();
  fileLoaderListener = new Map();
  constructor(
  // onFileAdded,
  // onFileUsed,
  // onFileLoaded
  resolveFile, initialFiles) {
    this.resolveFile = resolveFile;
    this.files = new Map(initialFiles?.map(f => [f.fileId, f]));
  }
  fileRef(fileUrl, importContext) {
    let fileRef = this.files.get(fileUrl);
    if (fileRef) return fileRef;
    // todo: call here fileRef from fileEngine or
    //       mv logic here and only update the global state through some "on file added" hook from here?
    fileRef = this.resolveFile(fileUrl, importContext);
    this.files.set(fileUrl, fileRef);
    return fileRef;
  }
}